<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Error: 400</title>
</head>
<style>
    .main {
        margin: auto;
        position: absolute;
        text-align: center;
        width: 500px;
        height: 500px;
        top: 0;
        left: 0;
        right: 0;
        bottom: 0;
    }
</style>
<body>
<div class="main">
    <h1>400 Bad Request</h1>
    <HR style="width: auto;height: 2px;" color=#987cb9>
    <h3>ERROR CODE: 400</h3>
    <h3>Bad Request</h3>
</div>
</body>
</html>